Fig. 34-1 Are humans among the descendants of this ancient organism? Myllokunmingia fengjiaoa (3 cm) Fig. 34-2 Lobed fins Legs Amniotic egg Milk Jaws, mineralized skeleton…
Fig. 34-2 Lobed fins Legs Amniotic egg Milk Jaws, mineralized skeleton Lungs or lung derivatives Vertebral column Head Notochord Common ancestor of chordates ANCESTRAL DEUTERO-…
Fig. 34-1 Are humans among the descendants of this ancient organism? Myllokunmingia fengjiaoa (3 cm) Fig. 34-2 Lobed fins Legs Amniotic egg Milk Jaws, mineralized skeleton…
Chordates have a notochord and a dorsal, hollow nerve cord Vertebrates are a subphylum of phylum Chordata Chordates are bilaterian animals that belong to the clade of animals…